Simply give oncontextmenu event of Body tag to false will disable Mouse right click on entire web page as:-

Oncontextmenu= "return false"

Oncontextmenu= "return false"

Oncontextmenu= "return false"

Oncontextmenu= "return false"

Oncontextmenu= "return false"

Oncontextmenu= "return false"

Oncontextmenu= "return false"

Oncontextmenu = " return false"

Oncontextmenu="retain false"

by the use of code in body likeoncotextmenu="return false"

by code likeoncontextmenu="return false"thanks